1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.servlet.filters.sessionid;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.StringPool;
28  import com.liferay.portal.kernel.util.Validator;
29  import com.liferay.portal.util.CookieKeys;
30  
31  import javax.servlet.http.Cookie;
32  import javax.servlet.http.HttpServletRequest;
33  import javax.servlet.http.HttpServletRequestWrapper;
34  import javax.servlet.http.HttpServletResponse;
35  import javax.servlet.http.HttpSession;
36  
37  /**
38   * <a href="SessionIdServletRequest.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   */
42  public class SessionIdServletRequest extends HttpServletRequestWrapper {
43  
44      public SessionIdServletRequest(
45          HttpServletRequest request, HttpServletResponse response) {
46  
47          super(request);
48  
49          _response = response;
50      }
51  
52      public HttpSession getSession() {
53          HttpSession session = super.getSession();
54  
55          process(session);
56  
57          return session;
58      }
59  
60      public HttpSession getSession(boolean create) {
61          HttpSession session = super.getSession(create);
62  
63          process(session);
64  
65          return session;
66      }
67  
68      protected void process(HttpSession session) {
69          if ((session == null) || !session.isNew() || !isSecure() ||
70              isRequestedSessionIdFromCookie()) {
71  
72              return;
73          }
74  
75          Object jsessionIdAlreadySet = getAttribute(_JESSIONID_ALREADY_SET);
76  
77          if (jsessionIdAlreadySet == null) {
78              if (_log.isDebugEnabled()) {
79                  _log.debug("Processing " + session.getId());
80              }
81  
82              Cookie cookie = new Cookie(_JESSIONID, session.getId());
83  
84              cookie.setMaxAge(-1);
85  
86              String contextPath = getContextPath();
87  
88              if (Validator.isNotNull(contextPath)) {
89                  cookie.setPath(contextPath);
90              }
91              else {
92                  cookie.setPath(StringPool.SLASH);
93              }
94  
95              CookieKeys.addCookie(
96                  (HttpServletRequest)super.getRequest(), _response, cookie);
97  
98              setAttribute(_JESSIONID_ALREADY_SET, Boolean.TRUE);
99          }
100     }
101 
102     private static final String _JESSIONID = "JSESSIONID";
103 
104     private static final String _JESSIONID_ALREADY_SET =
105         "JESSIONID_ALREADY_SET";
106 
107     private static Log _log =
108         LogFactoryUtil.getLog(SessionIdServletRequest.class);
109 
110     private HttpServletResponse _response;
111 
112 }